Bluetooth 5.0 TPMS Sensor Wireless Tire Pressure Monitoring System For Car Moto Motorcycle RV External 4 Sensors For iOS Android Specification *Working Voltage: 3V *Working Current: 100A *Standby Current: 1.5A *ResponseTime: 4s *Bluetooth Working Frequency: 2.4GHz *Bluetooth Transmitting Power: 4dB *Display: Phone APP *Waterproof Standard: IP67 *Working Humidity: 95% MAX *Tire Pressure Detection Range: 0-100PSI *Tire Pressure Detection Accuracy: 3PSI *Working Temperature : -30--70 *Battery Capacity: 140mAh(external) *Battery Life: 2-3Years *Sensor type: external sensors Description We use Bluetooth 5.0 for the design of a tire pressure monitoring system (TPMS). In view of the low cost, low power consumption and high stability of Bluetooth 5.0, it is suitable for tire pressure monitoring systems. This design is a direct tire pressure monitoring system, that is, a pressure sensor is installed on the vehicle tire, and the tire pressure information is transmitted to Android, iOS equipped with Bluetooth 5.0 through Bluetooth transmission, and the real-time display is displayed on the installed APP software Support Wireless Bluetooth 5.0 Product displays by cellphone. During driving, please be careful when viewing tire pressure and temperature in cellphone. High Performance Processing Chip *Response Time 4S *Monitoring Error Range : 3 psi *Tire Pressure Range : 0-100Psi/0-6.9Bar *Bluetooth Frenquency : 2.4GHz IP67 Waterproof & External Button Battery This sensors has ip67 waterproof function , also use the button battery , you can replace it any time when battery out ; in normally , the button battery can be use about 2-3 years; Support Many Auto It"'"s Easy to Install